How to Fix Gmail Not Sending Emails

Having trouble sending emails from your Gmail account can be frustrating, especially when you rely on it for personal communication, work, or important notifications. Various issues might prevent Gmail from sending messages, ranging from simple connectivity problems to account-specific restrictions. Fortunately, most of these issues can be resolved with a few troubleshooting steps. In this guide, we will explore effective methods to fix Gmail not sending emails so you can get back to your seamless communication.

How to Fix Gmail Not Sending Emails


Check Your Internet Connection and Browser

Before diving into advanced troubleshooting, ensure your internet connection is stable. A poor or intermittent connection can hinder Gmail from sending emails properly.

  • Test your connection: Visit other websites to verify if they load correctly.
  • Restart your router: Power cycle your modem/router to resolve any connectivity issues.
  • Use a different browser: Sometimes, browser-specific issues can interfere with Gmail. Try switching to Chrome, Firefox, Edge, or Safari.
  • Clear cache and cookies: Accumulated data may cause loading problems. Clear your browser's cache and cookies and try again.

If issues persist after these steps, proceed to check Gmail’s server status or try accessing Gmail from incognito/private mode to rule out extensions or add-ons causing conflicts.


Verify Gmail Storage Space

Your Gmail account has a storage limit (generally 15 GB shared across Gmail, Google Drive, and Google Photos). If your storage is full, you won’t be able send or receive emails.

  • Check storage: Log into your Google account and navigate to Google Drive or Gmail storage page to see available space.
  • Free up space: Delete unnecessary emails, especially those with large attachments, or empty your Trash and Spam folders.
  • Upgrade storage: Consider purchasing additional storage if needed.

Once you free up space, try sending an email again to see if the issue is resolved.


Review Your Outbox and Drafts

If your email is stuck in the Outbox or Drafts folder, it may not have been sent successfully. This can happen due to connectivity issues or app glitches.

  • Check Outbox: Open the Gmail app or web interface and look for unsent messages in the Outbox.
  • Resend or delete: If you find stuck emails, try resending them or delete and rewrite if necessary.

Sometimes, simply refreshing the app or reloading Gmail can trigger the sending process.


Disable Browser Extensions and Antivirus Software

Extensions or security software can interfere with Gmail’s functionality, blocking scripts or connections required for sending emails.

  • Disable extensions: Temporarily turn off extensions like ad-blockers or privacy tools, then attempt to send an email.
  • Check antivirus/firewall: Ensure your security software isn’t blocking Gmail. You might need to add Gmail to your safe list or disable the software temporarily for testing.

If disabling extensions or security software resolves the issue, re-enable them one by one to identify the culprit.


Ensure You Are Not Blocked or Restricted

Gmail may restrict sending capabilities if it detects suspicious activity or if your account is flagged for violations.

  • Check for warnings: Look for any notifications or alerts in your Gmail account indicating restrictions.
  • Review recent activity: Visit the Google Account Security page to see recent login activity and verify if there have been unauthorized logins.
  • Follow recovery steps: If your account is restricted, follow Google's instructions to verify your identity and lift restrictions.

Note: If your account has been compromised, change your password immediately and enable two-factor authentication for added security.


Update or Reinstall Gmail App

If you’re using the Gmail app on your smartphone or tablet, outdated software can cause sending issues.

  • Update the app: Visit your device’s app store and ensure Gmail is updated to the latest version.
  • Clear app cache: Go to device settings, find Gmail, and clear cache/data to resolve potential glitches.
  • Reinstall the app: Uninstall and reinstall Gmail to fix corrupted files or configuration issues.

After updating or reinstalling, try sending an email to check if the problem is resolved.


Check SMTP Server Settings (For Email Clients)

If you’re using a third-party email client (like Outlook, Thunderbird, or Apple Mail), incorrect SMTP settings can prevent emails from being sent.

  • Verify SMTP server: Ensure the server address is smtp.gmail.com.
  • Check port numbers: The recommended ports are 465 (SSL) or 587 (TLS).
  • Enable authentication: Make sure your username and password are entered correctly and that authentication is enabled.
  • Use app-specific passwords: If you have two-factor authentication enabled, generate an app-specific password for your email client.

Correct SMTP configuration is crucial for successful email delivery through third-party apps.


Contact Google Support

If none of the above solutions fix the issue, it may be time to contact Google Support. They can assist with account-specific problems or server outages that might be affecting your ability to send emails.

  • Visit Google Help Center: Search for your issue or browse relevant articles.
  • Use Google Support: Access the support options through your Google account dashboard or Gmail settings.

Providing detailed information about your problem, including error messages, steps taken, and account details, will help expedite the resolution process.


Summary of Key Points

In summary, when Gmail isn't sending emails, start with basic checks such as internet connectivity, storage space, and account restrictions. Verify your browser or app is up-to-date and free from conflicts caused by extensions or security software. Ensure your SMTP settings are correct if using third-party clients. Clearing stuck messages and troubleshooting account restrictions can also help resolve the issue. If problems persist, contacting Google Support is recommended. By systematically following these steps, you can typically resolve Gmail sending issues quickly and efficiently, restoring your seamless communication experience.


Sage Datum

Sage Datum

Sage Datum is a knowledge-focused platform exploring ideas, information, technology, trends, and the world around us. Created with a passion for learning and discovery, we share insights, explanations, and informative content designed to expand understanding, encourage curiosity, and make knowledge more accessible to everyone.

Back to blog

Leave a comment